was before is

关于TypeScript中提示xxx is declared but its value is never read的解决方法

首先,提示很明显,是定义了变量,但是却没有使用。解决方案有如下两种: 一: 需要确定变量是否真的没有使用到,如果没有使用直接删除即可。 二: 对于方法中的入参,是没法随便删除的。这时候我们可以利用TypeScript4.2中的新特性,将变量名用下划线开头,表示占位变量。 更具体的详情可以参考:fea ......
TypeScript declared 方法 value never

ERROR: database "server" is being accessed by other users DETAIL: There is 1 other session using the database.

根据错误消息,删除数据库 "server" 失败,原因是有其他用户的会话正在使用该数据库。在 PostgreSQL 中,如果有其他会话正在访问或连接到数据库,那么将无法删除该数据库。 为了成功删除数据库,需要确保没有其他会话正在使用该数据库。 以下是可能的解决方法: 1. 断开所有连接:在尝试删除数 ......
database other quot accessed session

How to Restore ASM Based OCR when OCR backup is located in ASM diskgroup? (Doc ID 2569847.1)

In this Document Goal Solution References APPLIES TO: Oracle Database - Enterprise Edition - Version 12.2.0.1 and later Information in this document a ......
ASM 2569847.1 OCR diskgroup 2569847

Python的OCR工具pytesseract解决TesseractNotFoundError: tesseract is not installed or it's not in your PATH. See README file for more information环境变量问题

pytesseract是基于Python的OCR工具, 底层使用的是Google的Tesseract-OCR 引擎,支持识别图片中的文字,支持jpeg, png, gif, bmp, tiff等图片格式。 如何安装使用请看我的上一篇。 在使用pytesseract打开图片是遇到没有找到文件解决pyt ......

2023-07-25 html中引入vue,报错:Vue is not a constructor ==》引用的vue版本不兼容导致

报错代码: 我使用的vue外链https://cdn.jsdelivr.net/npm/vue,该外链引用的是最新的vue@3.3.4版本,而我的vue写法为vue2.0版本的写法,故而不兼容。 解决方案:引用指定版本的vue👇 <script src="https://cdn.jsdelivr. ......
constructor vue 版本 2023 html

StatefulSet部署postgresql报错initdb: error: directory "/var/lib/postgresql/data" exists but is not empty & Back-off restarting failed container

容器状态一直重启 ``` [root@k8s-master01 sonarqube]# kubectl get pod -n ops NAME READY STATUS RESTARTS AGE gitlab-0 1/1 Running 0 170m pgsql-0 0/1 CrashLoopBac ......

what is the embeddings in AI?

What are embeddings? Text embeddings are a natural language processing (NLP) technique that converts text into numerical vectors. Embeddings capture s ......
embeddings what the is AI

pomRelying upon circular references is discouraged and they are prohibited by default.

方框的意思就是: 不鼓励依赖循环引用,并且默认情况下禁止循环引用。更新应用程序以删除bean之间的依赖循环。作为最后的手段,可以通过设置spring.main来自动打破这个循环。允许循环引用为true。 这是由于Spring Boot2.6版本之后关闭了依赖循环引用,从而导致了以上错误。 解决方法 ......

.Net Core Abp vnext BackgroundJobsDbContext异常 An exception was thrown while activating Volo.Abp.BackgroundJobs.EntityFrameworkCore.BackgroundJobsDbContext

An exception was thrown while activating Volo.Abp.BackgroundJobs.EntityFrameworkCore.BackgroundJobsDbContext 默认DbContext 的 ConnectionStringName 必须为 De ......

nodejs sqlite报错 typeorm[ Expression tree is too large (maximum depth 1000)]

最近在给公司开发一个工具时,使用SQLite,然后突然发现报错: ```js (node:16195) UnhandledPromiseRejectionWarning: QueryFailedError: SQLITE_ERROR: Expression tree is too large (ma ......
Expression maximum typeorm nodejs sqlite

MyBatis3 连接MySQL8 提示:message from server: “Host ‘xxx‘ is not allowed to connect to this MySQL server

1、本机搭建mysql,使用mybatis连接提示如下错误信息: ``` message from server: "Host 'xxx' is not allowed to connect to this MySQL server ``` 造成上述的错误的原因: 数据库连接的账户不允许从远程登陆, ......
server MySQL MyBatis3 MyBatis message

ERROR 1709 (HY000): Index column size too large. The maximum column size is 767 bytes.

MySQL版本5.6.35 在一个长度为512字符的字段上创建unique key报错 CREATE DATABASE dpcs_metadata DEFAULT CHARACTER SET utf8; select * from information_schema.SCHEMATA; + + + ......
column size maximum ERROR Index

LLM is all you need for the backend

一、LLM给软件开发范式带来了什么改变? 人们一直在说Github Copilot将取代程序员。我们认为这是错误的。我们已经有了类似GPT-4这种强大的LLM模型,却还要把自己限制在编写传统代码上吗?不!所有代码都有bug! 代码不是对业务逻辑进行编码的理想方式,代码必须经过审查,并且它按照程序员的 ......
backend need LLM all for

pip install flask 时,总包blinker uninstall 失败(ERROR: Cannot uninstall 'blinker'. It is a distutils installed project and thus we cannot ...)

今天用pip install flask时,总因为uninstall blinker失败,报错如下: ``` ERROR: Cannot uninstall 'blinker'. It is a distutils installed project and thus we cannot accur ......
uninstall 总包 blinker distutils installed

K8S初始化报错:CRI v1 runtime API is not implemented for endpoint \"unix:///var/run/containerd/containerd.sock\"

报错具体内容: [preflight] Some fatal errors occurred: [ERROR CRI]: container runtime is not running: output: time="2023-07-21T09:20:07Z" level=fatal msg="va ......
containerd quot implemented endpoint runtime

error 'fun' is assigned a value but never used @typesc

在vue3+ts 的项目中在进行eslint 配置之后 在main.ts 进行测试 出现了 error 'fun' is assigned a value but never used @typesc 错误’fun’被分配了一个值,但从未使用过没有未使用的变量 在 package.json 的 ru ......
assigned typesc error value never

报错CommandError: You must set settings.ALLOWED_HOSTS if DEBUG is False

1. 该错误是由django产生的 当Django的DEBUG设置为False时,但是未设置ALLOWED_HOSTS时会触发 所以我们需要在settings.py文件中设置ALLOWED_HOSTS 进行如下设置,问题就解决了 # settings.py DEBUG = False ALLOWED ......

what is the retrievers in LangChain?

see: Retrievers | 🦜️🔗 Langchain https://blog.langchain.dev/retrieval/ 按文档说的Retriever就是一个接口,可以把和query相关的文档都查询出来,而vectorDB是否成retriever的关键组件之一。 ......
retrievers LangChain what the is

Linux - Check If File Is Empty Or Not Using Shell Script

## Linux - Check If File Is Empty Or Not Using Shell Script How do I check if a file is empty or not using bash or ksh shell script under a UNIX / Lin ......
Script Linux Check Empty Using

Kingbase8: was aborted: ERROR: sorry, too many global temporary relations in backend already. Call getNextException to see other errors in the batch.

==额....今天踩了一个坑,找个半天找到的解决方法== 设置一个会话内最多允许的全局临时表数据和索引的最大文件数量,默认值为32,最小值为1,最大值为1024。这个文件数量并不是实际磁盘看到的文件数目,而是一些依附于这个表的扩展关系文件,比如索引、大对象等。一般情况下,一个全局临时表只会占用参数中 ......

C# 使用EPPlus 操作excel The given key '8' was not present in the dictionary.

使用EPPlus 删除excel中某一个sheet中的几列的时候,出现了The given key '8' was not present in the dictionary.的报错; 最开始的写法,是从前往后删除,出现错误//ExcelWorksheet sheet = package.Workb ......
dictionary present EPPlus excel given

arcgis注册postgresql失败。postgres be sure the databse client software is installed and configured correct

解决: 将PostgreSQL\9.1\bin目录下的Libpq.dll,Libeay32.dll, Libintl-8.dll, Ssleay32.dll复制一份放在ArcGIS Server安装目录的Server\bin***意:这里拷贝的文件需要都是64位的。 重启arcgis server服 ......

flak创建数据库报 NameError: name 'MySQLdb' is not defined

因为pycharm中无法安装MySQLdb ,安装会报错 所以安装pymysql 然后替换MySQLdb 进入到mysqldb.py文件中 替换mysqldb方法,导入pymysql 取别名为MySQLdb 再次执行便能成功 ......
NameError MySQLdb defined 数据库 数据

[Javascript] [] is ArrayList

Run the following code, found that for get & push & pop, it is O(1) time; But for shift/unshfit, it is O(n) time. In this cases, Javascript's [], is a ......
Javascript ArrayList is

NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and running.

###问题提示: ` NVIDIA-SMI has failed because it couldn't communicate with the NVIDIA driver. Make sure that the latest NVIDIA driver is installed and runn ......

ERROR [ModelSpecification.spec] At least one type of specification is required

项目在启动过程中会打印大量上述标题异常,最后在github翻看到解决办法。 参考这篇:[generator-jhipster/issues](https://github.com/jhipster/generator-jhipster/issues/13835) 具体解决办法:[supress no ......

解决ValueError: Tokenizer class LLaMATokenizer does not exist or is not currently imported

## 问题: load LLaMA 7b的weights的时候报错: ValueError: Tokenizer class LLaMATokenizer does not exist or is not currently imported. ## 出现原因: 新版transformers里面ll ......

cpp generate uuid via rand() and test speed which is 4 times+ faster than libuuid

// main.cpp #include <algorithm> #include <chrono> #include <cstdio> #include <cstdlib> #include <cstdint> #include <ctime> #include <fstream> #includ ......
generate libuuid faster speed times

Metadata processing is not available 解决方案

问题 Export: Release 11.2.0.4.0 - Production on Wed Jul 19 20:49:24 2023 Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved. Co ......

《Prompting Is Programming: A Query Language for Large Language Models》论文学习

一、前言 大型语言模型在诸如对话问答、代码生成等广泛任务上表现出了出色的性能。 在较高的层次上,给定一段输入,大语言模型可用于按照概率统计方式自动补全序列。在此基础上,用户用指令(instructions)或示例(examples)去提示(prompt)大语言模型,以实施各种下游任务。 本质上,提示 ......
Language Programming Prompting Models 论文